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Rock Drilling Products


Center Rock manufacturers a full line of air rock drilling tools and accessories including our Down-the-Hole (DTH) hammers and bits from 3.5” – 48” (89-1219mm) diameter, casing advancing overburden drilling systems, and we are a leading global manufacturer/supplier of the CRI LP Canister Drills using Direct Circulation w/Calyx or Reverse Circulation serving the construction, mining, HDD and utility markets.  Coupled with outstanding service, Center Rock is a one-stop rock drilling shop capable of supplying the tools for any rock drilling requirements.


Construction/utility/horizontal drilling can be a challenge and the Low Profile (LP) Drill series from Center Rock is up to the task. The advanced engineering of the drills provides a cost effective solution for rock drilling requirements up to 144” (3657.6 mm) in diameter.  Our drills have been used by some of the nation’s largest building, roadway, and mining contractors to quickly drill holes to exact size required by their specifications.

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ROTO LOC® Underreamer

ROTO LOC® is an overburden rock drilling system for casing advancement, developed by Center Rock.  With wings that lock in place and are easily retractable, ROTO LOC® is able to drill straight, full diameter holes through any formation, including pinnacle limestone and karst.  ROTO LOC® saves you money because there isn’t any expensive starter casing J-teeth or ring bits needed.

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Down the Hole Hammers

Center Rock offers one of the most complete lines of DTH drills and downhole bits ranging from 3.5” – 48” (89-1219mm) which are designed for peak performance in all rock drilling applications including but not limited to; foundation & geotechnical drilling, blast-hole drilling in quarries & mines, waterwell & geothermal boreholes, oil & gas underbalanced drilling, horizontal directional drilling, and utility transmission & distribution rock sockets.

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Hütte Drilling Equipment

Hütte manufactures hydraulic drilling rigs for micropiles and ground anchors, for the enhancement of existing foundations, construction of new foundations, ground stabilization, and soil investigation. Hütte drilling rigs are highly flexible and compact, high performance, and engineered & manufactured with industry-leading stability and power. Hütte drilling rigs are well suited for difficult drilling conditions and in confined areas, which requires a particularly compact and mobile rig. Hütte has developed a field-proven drilling rig for micropiles, ground anchors and foundation construction, but also can be used for a variety of other drilling applications.

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Wassara Water Hammers

Center Rock is an exclusive US distributor for Wassara water-powered hammers which can be used in many ground engineering drilling applications – for drilling in sensitive areas, as well as for drilling long straight holes. The water-powered DTH hammer is capable of penetrating any formation such as; hard rock, boulders, concrete, limestone, granite, till, water-rich formations and dense clay while maintaining speed and straightness. Also, the available jet grouting hammer enables jet grouting in one single pass.

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Rock Drilling Bits

Nothing is more important to drilling success than drill bits that cut straight and fast through all types of rock.  That’s why we offer our customers the best value in rock drilling bits.

Center Rock has a full range of face designs, button configurations, and shank styles in many sizes up to a 48” (1219mm) to match the application and rock they are drilling in.

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Product Accessories

Center rock also provides a complete line of accessories to complement our product offerings including:  Hydro-Jaw® 1200 or 2400 series breakout/make-up systems, water and oil injection systems, Hammer Honey and Hammer Honey Eco rock drill oil and customized mobile work shops.

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We Make Rock Disappear!